Under Current Recirculating Deep Water Culture Hydroponic System

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Uploaded by on Apr 22, 2010

Under Current 6XL 13 gallon buckets with 40 inch centers by Current Culture Hydroponics.

Some tents, some music, some lights and a timed demonstration of nutrient dilution throughout the under current system using 200ml of House & Garden's Algen Extract.

It took only three minutes and thirty seconds to fully circulate through over 75 gallons of water. This is large part because unlike conventional hydroponics applications which use centralized positive pressure to deliver nutrients the Under Current utilizes peripheral negative pressure to recirculate a highly oxygenated nutrient solution throughout the system. This perpetual fluid motion supercharges the nutrients with dissolved oxygen creating hyper aerobic conditions perfect for explosive plant growth.

This system is under 2 600 watt radiant 6s powered by Galaxy Digital ballasts. The room is sealed and supplemented with co2. A Sentinel MDT-1, HPH-4, and CHCC-1 control the atmosphere and power. Water is provided by a carbon and sediment filter plumbed to a float valve in the systems epicenter. The water is cooled by a 1/4hp Oceanic aquarium chiller.

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Education

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Uploader Comments (opt1c420)

  • is that possible with a PVC pipe setup? like two rows on each side of a room. (1foot dia, 20, feet long x 4)

  • @Luciferoshua check out the guys at current culture; they do all sorts of custom setups

  • is that a reverse osmosis filter,,if it is your missing the most important part

  • @1926times yeah; my tap water is good and i just wanted the chlorine and sediment out of it

  • did you ever grow in this undercurrent?

  • @RootsGrowSupply not this one in particular... found that with white buckets light would leak through from underneath and light proofing them was too much effort... used some blue buckets instead ;)

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All Comments (69)

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  • Nice setup

  • Your ideas helped me build my grow room.

    Thanks for your video. I've posted my video

    If you get a chance check it out.

    ( 10 x10 Grow Room) Peace.

  • hows that hydro grow light working out? thinking about getting 2 84x pros soon, but cant decide

  • PS- you should be using sterile plastic gloves if you want to wear gloves and NOT dirt bike gloves or ski gloves or work gloves as they are nastier and carry MORE bacteria than your bare un washed hand would be...YUCK!

  • This must be a older unit as they do not make them with white buckets now for obvious reasons....you should insulate your buckets and make them light proof or you are gonna grow some serious algae and other unwanted growth.

    Yikes! They also do not recomend you use Algen Extract in this systems...man I bet that was a pain in the ass to clean the system and remove all the organic slime from inside the PVC pipes....

    Whats with the glove and the whacky music?

  • This must be a older unit as they do not make them with white buckets now for obvious reasons....you should insulate your buckets and make them light proof or you are gonna grow some serious algae and other unwanted growth.

    Whats with the glove and the whacky music?

  • love,le set up good job ..

  • love,le set up good job ..

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